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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-11-08 13:40:10 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-11-08 13:40:10 +0300 |
| commit | dbebb4cbe02dc811e21bd3bc40a252490e46b949 (patch) | |
| tree | 4d76e96bd71dd3837253fbe00f8f6d6769644015 | |
| parent | f093182d313edde9b1f86dbdaf40ba4da2dbd0e7 (diff) | |
| download | linux-dbebb4cbe02dc811e21bd3bc40a252490e46b949.tar.xz | |
[ARM SMP] Add missing SMP timer handling for realview
Until we have local timer support, we need to broadcast the
timer interrupt to the other CPUs. Also, add the missing
smp_send_timer() prototype to asm/smp.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mach-realview/core.c | 5 | ||||
| -rw-r--r-- | include/asm-arm/smp.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 482eb512ebe8..4ea60d8b6e36 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -550,6 +550,11 @@ static irqreturn_t realview_timer_interrupt(int irq, void *dev_id, struct pt_reg timer_tick(regs); +#ifdef CONFIG_SMP + smp_send_timer(); + update_process_times(user_mode(regs)); +#endif + write_sequnlock(&xtime_lock); return IRQ_HANDLED; diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index 551cd3c3093c..21d1723c03e1 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h @@ -47,6 +47,11 @@ extern void smp_store_cpu_info(unsigned int cpuid); extern void smp_cross_call(cpumask_t callmap); /* + * Broadcast a timer interrupt to the other CPUs. + */ +extern void smp_send_timer(void); + +/* * Boot a secondary CPU, and assign it the specified idle task. * This also gives us the initial stack to use for this CPU. */ |